Features:
- All piston skirts are coated with a high-tech Molybdenum Disulfide coating for faster break-in time and increased piston life
- Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston
- All pistons are heat treated with a T-5 hardening and tempering cycle
- All rings are OEM replacements
- Top end piston kit includes piston, rings, pins, circlips, top end gaskets, and wrist pin bearing or cam chain where applicable
Fitment:
2002 Yamaha YFM660FG Grizzly 4WD [IRS]
2003 Yamaha YFM660FG Grizzly 4WD [IRS]
2004 Yamaha YFM660FG Grizzly 4WD [IRS]
2004 Yamaha YXR660F Rhino 660
2005 Yamaha YFM660FG Grizzly 4WD [IRS]
2005 Yamaha YXR660F Rhino 660
2006 Yamaha YFM660FG Grizzly 4WD [IRS]
2006 Yamaha YXR660F Rhino 660
2007 Yamaha YFM660FG Grizzly 4WD [IRS]
2007 Yamaha YXR660F Rhino 660
2008 Yamaha YFM660FG Grizzly 4WD [IRS]